Remove carbon from your filter.
Add 2ML of medication per 10L of tank water.

One dose should be all that's needed but if the issue still persists after one week then you should perform a 30% water change and re-dose.

If after 7 days there is still no improvement then you will need to perform another 30% water change and try an alternative medication.

Return carbon to your filter once medication is complete.

It's very important to shake the bottle well before use!

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